```jsx
<Checkbox checkbox name="option-input-3" value="unselected" label="Unselected" />
<Checkbox checkbox name="option-input-3" value="selected" label="Selected" defaultChecked />
<Checkbox checkbox name="option-input-4" value="unselected" label="Unselected disabled" disabled />
<Checkbox checkbox name="option-input-4" value="selected" label="Selected disabled" disabled defaultChecked />
```